他们憎恶对他们国家内政的外来干涉。
They resent foreign interference in the internal affairs of their country.
他们决定在某些关键职位上聘任外来人员。
They have decided to hire outsiders for some of the key positions.
我们反对任何外来势力插手干预。
外来物种和本地物种的区分是人为的。
Distinctions between exotic and native species are artificial.
我们不容许任何外来干涉。
外来害虫可以对森林生态系统产生短期和长期的影响。
Exotic insect pests can produce both short-and long-term effects on forest ecosystems.
这只是对我们的免疫系统试图防御的潜在外来入侵者的分类介绍。
Just an introduction to the classes of potential foreign invaders that our immune system tries to defend us against.
生态学家通常把外来物种定义为人们偶然或故意带到新地方的物种。
Ecologists generally define an alien species as one that people, accidentally or deliberately, carried to its new location.
默认情况下，没有外来物种的生态系统被认为是最自然的生态系统。
Ecosystems free of species defined as exotic are, by default, considered the most natural.
马达加斯加被一些人称为“被时间遗忘的岛屿”，是众多独特外来生物的家园。
Called by some the "island that time forgot", Madagascar is home to a vast array of unique, exotic creatures.
外来掠食者最初不受自身掠食者的限制，它们可能会迅速繁殖并击溃预定目标。
Initially unrestrained by predators of their own, foreign predators are likely to be able to multiply rapidly and overwhelm intended targets.
在美国总共15万的物种中，有7000种外来物种，当中只有10%是入侵物种。
Of the 7,000 alien species in the United States—out of a total of 150,000 species—only about 10 percent are invasive.
我们正在做的另一件事是除掉生长在花园里的一些外来物种，并种回一些本地植物和树木。
The other thing we're doing is getting rid of some of the foreign species that are growing in the gardens and putting back some native plants and trees.
一些科学家质疑这样的假设，即在自然生态系统中，外来物种的出现是绝对不会被接受的。
A number of scientists question the assumption that the presence of alien species can never be acceptable in a natural ecosystem.
田纳西大学生态学和进化生物学教授唐·史密斯说：“只有一小部分外来物种会在新栖息地引发问题。”
"Only a small percentage of alien species cause problems in their new habitats," said Don Smith, professor of ecology and evolutionary biology at the University of Tennessee.
“只有一小部分外来物种会在它们的新栖息地引发问题。”田纳西大学生态学和进化生物学教授唐·史密斯说。
"Only a small percentage of alien species cause problems in their new habitats,'' said Don Smith, professor of ecology and evolutionary biology at the University of Tennessee.
对非外来物种的研究没有得到类似的结果，这使得研究人员推测鸟类的社会学习能力可能与哺乳动物的社会学习能力有根本性的区别。
Studies on nonalien species have not produced similar results, leading researchers to speculate that avian social learning may be fundamentally different from that of mammals.
例如，外来植物的入侵可能会改变落叶的数量，从而改变对土壤的营养贡献。
For example, an invading nonnative plant could alter the quantity of leaf litter production, which would alter nutrient contributions to the soil.
外来移民顺利地融入当地社会。
Immigrants have been successfully assimilated into the community.
随着外来移民的到来，这里的文化变得多元化了。
The culture has been diversified with the arrival of immigrants.
乌鸫交配时会保护自己的地盘，不允许外来者侵入。
Mating blackbirds will defend their territory against intruders.
义务教育使大多数外来务工者完成了中学教育。
Compulsory education has enabled most migrant workers to finish secondary school.
海水也杀死了贪婪的巨头苹果蜗牛，这种外来害虫以水稻幼苗为食。
This sea-water also kills off the greedy giant apple snail, an introduced pest that feeds on young rice plants.
令人惊讶的是，本土物种的灭绝很少归因于外来物种的竞争。
Surprisingly few extinctions of indigenous species can be attributed to competition from introduced species.
如果你是从海外来的，不要带任何食物、动物或植物进入这个国家。
If you are arriving from overseas, bring no food, animal or plant material into the country.
当地的生态系统并不能应付这个外来物种。它正在摧毁我们的环境。
The ecosystem down there can't handle this non-native species. It's destroying the environment.
十月里一个寒冷的日子，从镇外来的马克来到杰克面前，想和他做生意。
One cold October day, Mark, a man from outside town came up to Jack and wanted to do business with him.
与此同时，海水也杀死了贪婪的巨型苹果蜗牛，一种以水稻幼苗为食的外来害虫。
At the same time, this sea-water also kills off the greedy giant apple snail, an introduced pest that feeds on young rice plants.
巴西一直很抵触外来者对亚马逊的命运说三道四。
Brazil has always resisted the idea of allowing outsiders any say in the fate of the Amazon.
巴西一直很抵触外来者对亚马逊的命运说三道四。
Brazil has always resisted the idea of allowing outsiders any say in the fate of the Amazon.
应用推荐